using System.Xml;
using System.Xml.Linq;
using System.Xml.XPath;

namespace CRIF.ACTion.Common.Parsers
{
    public static class XElementExtensions
    {
        /*
         Using XPathSelectElement on an XElement starts with the XElement's parent XDocument, 
         unless you convert the XElement itself to an XDocument
         */

        public static XElement XElementXPathSelectElement(this XElement node, string expression)
        {
            return (new XDocument(node)).XPathSelectElement(expression);
        }

        public static XElement XElementXPathSelectElement(this XNode node, string expression, IXmlNamespaceResolver resolver)
        {
            return (new XDocument(node)).XPathSelectElement(expression, resolver);
        }

        public static IEnumerable<XElement> XElementXPathSelectElements(this XElement node, string expression)
        {
            return (new XDocument(node)).XPathSelectElements(expression);
        }

        public static IEnumerable<XElement> XElementXPathSelectElements(this XElement node, string expression, IXmlNamespaceResolver resolver)
        {
            return (new XDocument(node)).XPathSelectElements(expression, resolver);
        }
    }
}